package com;

import java.util.concurrent.atomic.AtomicLong;

public class h5 {
    public static void main(String[] args) throws Exception{
        AtomicLong num = new AtomicLong(100L);
        System.out.println("【原子数据修改】数据修改结果："+num.compareAndSet(100L,300L));
        System.out.println("【原子数据获取】新的数据内容："+num.get());

    }
}
